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Copyright>
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Chd|====================================================================
Chd|  SPMD_H3D_GATHER_I_NODE_PART   source/output/h3d/spmd/spmd_h3d_gather_i_node_part.F
Chd|-- called by -----------
Chd|        GENH3D                        source/output/h3d/h3d_results/genh3d.F
Chd|-- calls ---------------
Chd|====================================================================
       SUBROUTINE SPMD_H3D_GATHER_I_NODE_PART(WEIGHT,TAGNOD,V,LEN,VP0,LENP0)
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
#ifdef MPI
#include      "mpif.h"
#endif
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "task_c.inc"
#include      "com01_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
       INTEGER LEN,LENP0
       INTEGER
     .   V(LEN),VP0(LENP0),WEIGHT(*),TAGNOD(*)

C-----------------------------------------------
C   L O C A L   V A R I A B L E S
C-----------------------------------------------
       INTEGER IAD,J,LEN_TMP
#ifdef MPI
      INTEGER STATUS(MPI_STATUS_SIZE),IERROR,
     .        MSGTYP,I,SIZ,LENP(NSPMD),DISP(NSPMD),
     .        V_TMP(LEN)

        J = 0
        DO I=1,LEN
          IF(WEIGHT(I) == 0 .AND. TAGNOD(I) == 1) THEN
            J = J + 1
            V_TMP(J) = V(I)
          ENDIF
        ENDDO
        LEN_TMP = J
         
        CALL MPI_GATHER(
     S    LEN_TMP       ,1     ,MPI_INTEGER,
     R    LENP          ,1     ,MPI_INTEGER,IT_SPMD(1),
     G    MPI_COMM_WORLD,IERROR)
C
        IAD=0
        IF(ISPMD == 0)THEN
          DO I=1,NSPMD
            DISP(I) = IAD
            IAD = IAD+LENP(I)
          END DO
        END IF
C
        CALL MPI_GATHERV(
     S    V_TMP         ,LEN_TMP  ,MPI_INTEGER,
     R    VP0           ,LENP     ,DISP,MPI_INTEGER,IT_SPMD(1),
     G    MPI_COMM_WORLD,IERROR)
#endif
       RETURN
       END
